Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Derivative Assets and Liabilities Measured at Fair Value (Detail)

v3.19.3
Fair Value Measurements - Derivative Assets and Liabilities Measured at Fair Value (Detail) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value derivative assets $ 1.8 $ 3.3
Fair value derivative liabilities 4.1 1.7
Foreign exchange currency contracts [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value derivative assets 1.8 3.3
Fair value derivative liabilities 4.1 1.7
Significant Other Observable Inputs (Level 2) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value measurements, assets total 1.8 3.3
Fair value measurements, liabilities total 4.1 1.7
Significant Other Observable Inputs (Level 2) [Member] | Derivatives designated as hedging instruments [Member] | Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] | Prepaid expenses and other current assets [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value derivative assets 0.2 0.5
Significant Other Observable Inputs (Level 2) [Member] | Derivatives designated as hedging instruments [Member] | Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] | Other current liabilities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value derivative liabilities 0.8 0.7
Significant Other Observable Inputs (Level 2) [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange currency contracts [Member] | Prepaid expenses and other current assets [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value derivative assets 1.6 2.8
Significant Other Observable Inputs (Level 2) [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange currency contracts [Member] | Other current liabilities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value derivative liabilities $ 3.3 $ 1.0